package exception;

public class TryCatchDemo {
    public static void main(String[] args) {


        System.out.println("程序开始了...");
        try{
            String str = "a";
            System.out.println(str.length());

            System.out.println(str.charAt(0));

            System.out.println(Integer.parseInt(str));

            System.out.println("!!!!!!!!!!!");


//        }catch(NullPointerException e){
//            System.out.println("出现了空指针！");
//        }catch(StringIndexOutOfBoundsException e){
//            System.out.println("出现了字符串的下标越界");

        }catch (NullPointerException | StringIndexOutOfBoundsException e){

            System.out.println("出现空指针或下标越界的统一解决办法！");
        }catch (Exception e){
            System.out.println("反正就是出了个错！");
        }





        System.out.println("程序结束了！");




    }
}
